Axial Load Test Data

*CAUTION: This is failure mode. See Liability Disclaimer at bottom of this page.

Shaft Collars with Inch Dimensions

Part Number

Bore(in)

Screw Size

Screw Torque (lb-in)

Slippage On Shaft* (lb)

CL-4-F

0.250

#4-40

15

200 (HARD)

CL-4-SS

0.250

#4-40

8

150 (HARD)

SC-4-F

0.250

#8-32

15

350 (SOFT)

SC-4-SS

0.250

#8-32

12

200 (SOFT)

CL-6-F

0.375

#6-32

28

600 (HARD)

CL-6-SS

0.375

#6-32

15

200 (HARD)

CL-8-A

0.500

#8-32

49

1200 (SOFT)

CL-8-F

0.500

#8-32

49

1000 (HARD)

CL-8-SS

0.500

#8-32

28

600 (HARD)

SC-8-F

0.500

1/4-20

75

950 (SOFT)

SC-8-SS

0.500

1/4-20

60

500 (SOFT)

SP-8-A

0.500

#8-32

49

1250 (SOFT)

SP-8-SS

0.500

#8-32

28

900 (HARD)

CL-10-F

0.625

#10-32

76

2400 (SOFT)

CL-10-SS

0.625

#10-32

45

800 (SOFT)

SC-10-F

0.625

5/16-18

165

1500 (SOFT)

SC-10-SS

0.625

5/16-18

130

900 (SOFT)

CL-12-A

0.750

1/4-28

170

3700 (HARD)

CL-12-F

0.750

1/4-28

170

3500 (HARD)

CL-12-SS

0.750

1/4-28

110

1400 (SOFT)

SC-12-A

0.750

5/16-18

165

1400 (SOFT)

SC-12-F

0.750

5/16-18

165

1600 (SOFT)

SC-12-SS

0.750

5/16-18

130

1100 (SOFT)

SP-12-SS

0.750

1/4-28

110

1600 (SOFT)

SP-16-F

1.000

1/4-28

170

3000 (HARD)

SP-16-SS

1.000

1/4-28

110

1700 (HARD)

CL-24-F

1.500

1/4-28

170

2900 (HARD)

CL-24-SS

1.500

1/4-28

110

1900 (HARD)

SC-24-F

1.500

3/8-16

290

2100 (SOFT)

SC-24-SS

1.500

3/8-16

230

1200 (SOFT)

CL-32-F

2.000

5/16-24

325

8000 (HARD)

CL-32-SS

2.000

5/16-24

190

2700 (HARD)

SC-32-F

2.000

1/2-13

620

2900 (SOFT)

SC-32-SS

2.000

1/2-13

500

1200 (HARD)

CL-48-F

3.000

3/8-24

570

8000 (SOFT)

CL-48-SS

3.000

3/8-24

345

3700 (HARD)

SC-48-F

3.000

1/2-13

620

3100 (SOFT)

SC-48-SS

3.000

1/2-13

500

1800 (SOFT)

Shaft Collars with Metric Dimensions

Part Number

Bore (mm)

Screw Size

Screw Torque (Nm)

Slippage On Shaft* (N)

MCL-8-A

8

M3

2,1

2650

MSP-8-A

8

M3

2,1

3200

MCL-8-F

8

M3

2,1

4450

MSP-8-F

8

M3

2,1

4800

MCL-8-SS

8

M3

1,1

1000

MSP-8-SS

8

M3

1,1

1150

MCL-12-A

12

M4

4,6

5950

MSP-12-A

12

M4

4,6

6200

MCL-12-F

12

M4

4,6

6450

MSP-12-F

12

M4

4,6

7150

MCL-12-SS

12

M4

2,5

1350

MSP-12-SS

12

M4

2,5

2000

MCL-25-A

25

M6

16,0

15800

MSP-25-A

25

M6

16,0

16450

MCL-25-F

25

M6

16,0

18700

MSP-25-F

25

M6

16,0

19100

MCL-25-SS

25

M6

9,6

5300

MSP-25-SS

25

M6

9,6

6150

MCL-50-A

50

M8

39,0

27000

MSP-50-A

50

M8

39,0

28000

MCL-50-F

50

M8

39,0

40000

MSP-50-F

50

M8

39,0

40850

MCL-50-SS

50

M8

23,0

10000

MSP-50-SS

50

M8

23,0

11450

LIABILITY DISCLAIMER

The information chart presented on this page are typical values under certain test conditions and are not a guarantee of average values nor a guarantee of maximum or minimum values under all conditions. Thrust values shown are FAILURE MODE. They are shown solely for the reader to utilize appropriate testing equipment to make his/her own evaluation, and are not intended by Ruland Manufacturing Co., Inc., as warranties, either express or implied, of fitness for a given purpose. A full disclaimer and limited warranty can also be found on this site.